all this coming just days after president obama warned the syrian regime of consequences if it turned chemical weapons on its own citizens. and today secretary of state hillary clinton saying the world has made that perfectly clear to president bashar assad. >> we have sent an unmistakable message that this would cross a red line and those responsible would be held to account. >> activists saying at least 40,000 people have died in the antigovernment uprising that began last year. now evidence the blood shed is again seeping across another border into lebanon. gunmen loyal to the syrian regime and rebels fought it out on the streets in the northern part of that country. dozens reported dead in two days of fighting there. similar clashes have erupted more than a dozen times before in lebanon. more violence and death that we can trace back to the actions of one man. and today a new warning from the head of the united nations that president assad probably should not expect any mercy from his counterparts around the world. jonathan hunt has more on that from the united nations here in new